const int a= 3;
const int b= 4;
const int c= 5;
const int d= 6;
const int e= 7;
const int f= 8;
const int g= 9;
const int h= 10;
void setup() {
 pinMode(a,OUTPUT);
 pinMode(b,OUTPUT);
 pinMode(c,OUTPUT);
 pinMode(d,OUTPUT);
 pinMode(e,OUTPUT);
 pinMode(f,OUTPUT);
 pinMode(g,OUTPUT);
 pinMode(h,OUTPUT);

}

void one() {
 digitalWrite(a,LOW);
 digitalWrite(b,HIGH);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,LOW);
 digitalWrite(f,LOW);
 digitalWrite(g,LOW); 
 digitalWrite(h,LOW); 

}
void two() {
 digitalWrite(a,HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c,LOW);
 digitalWrite(d,LOW);
 digitalWrite(e,HIGH);
 digitalWrite(f,HIGH);
 digitalWrite(g,LOW); 
 digitalWrite(h,HIGH); 

}

void three() {
 digitalWrite(a,HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,HIGH);
 digitalWrite(f,LOW);
 digitalWrite(g,LOW); 
 digitalWrite(h,HIGH); 

}

void four() {
 digitalWrite(a,LOW);
 digitalWrite(b,HIGH);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,LOW);
 digitalWrite(f,LOW);
 digitalWrite(g,HIGH); 
 digitalWrite(h,HIGH); 

}

void five() {
 digitalWrite(a,HIGH);
 digitalWrite(b,LOW);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,HIGH);
 digitalWrite(f,LOW);
 digitalWrite(g,HIGH); 
 digitalWrite(h,HIGH); 

}
void six() {
 digitalWrite(a,HIGH);
 digitalWrite(b,LOW);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,HIGH);
 digitalWrite(f,HIGH);
 digitalWrite(g,HIGH); 
 digitalWrite(h,HIGH); 

}

void seven() {
 digitalWrite(a,HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,LOW);
 digitalWrite(f,LOW);
 digitalWrite(g,LOW); 
 digitalWrite(h,LOW); 

}

void eight() {
 digitalWrite(a,HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,HIGH);
 digitalWrite(f,HIGH);
 digitalWrite(g,HIGH); 
 digitalWrite(h,HIGH); 

}

void nine() {
 digitalWrite(a,HIGH);
 digitalWrite(b,HIGH);
 digitalWrite(c,LOW);
 digitalWrite(d,HIGH);
 digitalWrite(e,HIGH);
 digitalWrite(f,LOW);
 digitalWrite(g,HIGH); 
 digitalWrite(h,HIGH); 

}

void dot(){
  
 digitalWrite(a,LOW);
 digitalWrite(b,LOW);
 digitalWrite(c,HIGH);
 digitalWrite(d,LOW);
 digitalWrite(e,LOW);
 digitalWrite(f,LOW);
 digitalWrite(g,LOW); 
 digitalWrite(h,LOW); 

}
void loop(){
  one();
  delay(500);
   two();
  delay(500);
   three();
  delay(500);
   four();
  delay(500);
   five();
  delay(500);
   six();
  delay(500);
   seven();
  delay(500);
   eight();
  delay(500);
   nine();
  delay(500);
   dot();
  delay(500);
}